Add icosahedron geometry

Author: dmarcos

src/geometries/icosahedron.js

@@ -0,0 +1,13 @@
+var registerGeometry = require('../core/geometry').registerGeometry;
+var THREE = require('../lib/three');
+
+registerGeometry('icosahedron', {
+  schema: {
+    detail: {default: 0, min: 0, max: 1},
+    radius: {default: 1, min: 0}
+  },
+
+  init: function (data) {
+    this.geometry = new THREE.IcosahedronGeometry(data.radius, data.detail);
+  }
+});

src/geometries/index.js

@@ -2,6 +2,7 @@ require('./box.js');
 require('./circle.js');
 require('./cone.js');
 require('./cylinder.js');
+require('./icosahedron.js');
 require('./plane.js');
 require('./ring.js');
 require('./sphere.js');

tests/components/geometry.test.js

@@ -173,6 +173,18 @@ suite('standard geometries', function () {
     assert.equal(geometry.parameters.thetaLength, degToRad(350));
   });
 
+  test('icosahedron', function () {
+    var el = this.el;
+    var geometry;
+    el.setAttribute('geometry', {
+      buffer: false, primitive: 'icosahedron', detail: 0, radius: 5});
+
+    geometry = el.getObject3D('mesh').geometry;
+    assert.equal(geometry.type, 'IcosahedronGeometry');
+    assert.equal(geometry.parameters.radius, 5);
+    assert.equal(geometry.parameters.detail, 0);
+  });
+
   test('plane', function () {
     var el = this.el;
     var geometry;